[1] | 1 | /*
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| 2 | * Copyright (c) 2013-2017 ARM Limited. All rights reserved.
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| 3 | *
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| 4 | * SPDX-License-Identifier: Apache-2.0
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| 5 | *
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| 6 | * Licensed under the Apache License, Version 2.0 (the License); you may
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| 7 | * not use this file except in compliance with the License.
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| 8 | * You may obtain a copy of the License at
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| 9 | *
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| 10 | * www.apache.org/licenses/LICENSE-2.0
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| 11 | *
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| 12 | * Unless required by applicable law or agreed to in writing, software
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| 13 | * distributed under the License is distributed on an AS IS BASIS, WITHOUT
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| 14 | * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 15 | * See the License for the specific language governing permissions and
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| 16 | * limitations under the License.
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| 17 | *
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| 18 | * ----------------------------------------------------------------------
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| 19 | *
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| 20 | * $Date: 10. January 2017
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| 21 | * $Revision: V1.2
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| 22 | *
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| 23 | * Project: CMSIS-RTOS API V1
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| 24 | * Title: cmsis_os_v1.c V1 module file
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| 25 | *---------------------------------------------------------------------------*/
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| 26 |
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| 27 | #include <string.h>
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| 28 | #include "cmsis_os.h"
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| 29 |
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| 30 | #if (osCMSIS >= 0x20000U)
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| 31 |
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| 32 |
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| 33 | // Thread
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| 34 | osThreadId osThreadCreate (const osThreadDef_t *thread_def, void *argument) {
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| 35 |
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| 36 | if (thread_def == NULL) {
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| 37 | return (osThreadId)NULL;
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| 38 | }
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| 39 | return osThreadNew((osThreadFunc_t)thread_def->pthread, argument, &thread_def->attr);
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| 40 | }
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| 41 |
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| 42 |
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| 43 | // Signals
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| 44 |
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| 45 | #define SignalMask ((1U<<osFeature_Signals)-1U)
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| 46 |
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| 47 | int32_t osSignalSet (osThreadId thread_id, int32_t signals) {
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| 48 | uint32_t flags;
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| 49 |
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| 50 | flags = osThreadFlagsSet(thread_id, (uint32_t)signals);
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| 51 | if ((flags & 0x80000000U) != 0U) {
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| 52 | return ((int32_t)0x80000000U);
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| 53 | }
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| 54 | return ((int32_t)(flags & ~((uint32_t)signals)));
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| 55 | }
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| 56 |
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| 57 | int32_t osSignalClear (osThreadId thread_id, int32_t signals) {
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| 58 | uint32_t flags;
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| 59 |
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| 60 | if (thread_id != osThreadGetId()) {
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| 61 | return ((int32_t)0x80000000U);
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| 62 | }
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| 63 | flags = osThreadFlagsClear((uint32_t)signals);
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| 64 | if ((flags & 0x80000000U) != 0U) {
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| 65 | return ((int32_t)0x80000000U);
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| 66 | }
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| 67 | return ((int32_t)flags);
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| 68 | }
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| 69 |
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| 70 | osEvent osSignalWait (int32_t signals, uint32_t millisec) {
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| 71 | osEvent event;
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| 72 | uint32_t flags;
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| 73 |
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| 74 | if (signals != 0) {
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| 75 | flags = osThreadFlagsWait((uint32_t)signals, osFlagsWaitAll, millisec);
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| 76 | } else {
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| 77 | flags = osThreadFlagsWait(SignalMask, osFlagsWaitAny, millisec);
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| 78 | }
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| 79 | if ((flags > 0U) && (flags < 0x80000000U)) {
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| 80 | event.status = osEventSignal;
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| 81 | event.value.signals = (int32_t)flags;
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| 82 | } else {
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| 83 | switch ((int32_t)flags) {
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| 84 | case osErrorResource:
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| 85 | event.status = osOK;
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| 86 | break;
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| 87 | case osErrorTimeout:
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| 88 | event.status = osEventTimeout;
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| 89 | break;
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| 90 | case osErrorParameter:
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| 91 | event.status = osErrorValue;
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| 92 | break;
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| 93 | default:
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| 94 | event.status = (osStatus)flags;
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| 95 | break;
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| 96 | }
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| 97 | }
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| 98 | return event;
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| 99 | }
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| 100 |
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| 101 |
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| 102 | // Timer
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| 103 | osTimerId osTimerCreate (const osTimerDef_t *timer_def, os_timer_type type, void *argument) {
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| 104 |
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| 105 | if (timer_def == NULL) {
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| 106 | return (osTimerId)NULL;
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| 107 | }
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| 108 | return osTimerNew((osTimerFunc_t)timer_def->ptimer, type, argument, &timer_def->attr);
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| 109 | }
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| 110 |
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| 111 |
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| 112 | // Mutex
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| 113 | osMutexId osMutexCreate (const osMutexDef_t *mutex_def) {
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| 114 |
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| 115 | if (mutex_def == NULL) {
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| 116 | return (osMutexId)NULL;
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| 117 | }
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| 118 | return osMutexNew(mutex_def);
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| 119 | }
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| 120 |
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| 121 |
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| 122 | // Semaphore
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| 123 |
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| 124 | #if (defined (osFeature_Semaphore) && (osFeature_Semaphore != 0U))
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| 125 |
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| 126 | osSemaphoreId osSemaphoreCreate (const osSemaphoreDef_t *semaphore_def, int32_t count) {
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| 127 |
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| 128 | if (semaphore_def == NULL) {
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| 129 | return (osSemaphoreId)NULL;
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| 130 | }
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| 131 | return osSemaphoreNew((uint32_t)count, (uint32_t)count, semaphore_def);
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| 132 | }
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| 133 |
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| 134 | int32_t osSemaphoreWait (osSemaphoreId semaphore_id, uint32_t millisec) {
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| 135 | osStatus_t status;
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| 136 | uint32_t count;
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| 137 |
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| 138 | status = osSemaphoreAcquire(semaphore_id, millisec);
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| 139 | switch (status) {
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| 140 | case osOK:
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| 141 | count = osSemaphoreGetCount(semaphore_id);
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| 142 | return ((int32_t)count + 1);
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| 143 | case osErrorResource:
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| 144 | case osErrorTimeout:
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| 145 | return 0;
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| 146 | default:
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| 147 | break;
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| 148 | }
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| 149 | return -1;
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| 150 | }
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| 151 |
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| 152 | #endif // Semaphore
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| 153 |
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| 154 |
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| 155 | // Memory Pool
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| 156 |
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| 157 | #if (defined(osFeature_Pool) && (osFeature_Pool != 0))
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| 158 |
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| 159 | osPoolId osPoolCreate (const osPoolDef_t *pool_def) {
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| 160 |
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| 161 | if (pool_def == NULL) {
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| 162 | return (osPoolId)NULL;
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| 163 | }
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| 164 | return ((osPoolId)(osMemoryPoolNew(pool_def->pool_sz, pool_def->item_sz, &pool_def->attr)));
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| 165 | }
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| 166 |
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| 167 | void *osPoolAlloc (osPoolId pool_id) {
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| 168 | return osMemoryPoolAlloc((osMemoryPoolId_t)pool_id, 0U);
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| 169 | }
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| 170 |
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| 171 | void *osPoolCAlloc (osPoolId pool_id) {
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| 172 | void *block;
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| 173 | uint32_t block_size;
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| 174 |
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| 175 | block_size = osMemoryPoolGetBlockSize((osMemoryPoolId_t)pool_id);
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| 176 | if (block_size == 0U) {
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| 177 | return NULL;
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| 178 | }
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| 179 | block = osMemoryPoolAlloc((osMemoryPoolId_t)pool_id, 0U);
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| 180 | if (block != NULL) {
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| 181 | memset(block, 0, block_size);
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| 182 | }
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| 183 | return block;
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| 184 | }
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| 185 |
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| 186 | osStatus osPoolFree (osPoolId pool_id, void *block) {
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| 187 | return osMemoryPoolFree((osMemoryPoolId_t)pool_id, block);
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| 188 | }
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| 189 |
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| 190 | #endif // Memory Pool
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| 191 |
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| 192 |
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| 193 | // Message Queue
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| 194 |
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| 195 | #if (defined(osFeature_MessageQ) && (osFeature_MessageQ != 0))
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| 196 |
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| 197 | osMessageQId osMessageCreate (const osMessageQDef_t *queue_def, osThreadId thread_id) {
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| 198 | (void)thread_id;
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| 199 |
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| 200 | if (queue_def == NULL) {
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| 201 | return (osMessageQId)NULL;
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| 202 | }
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| 203 | return ((osMessageQId)(osMessageQueueNew(queue_def->queue_sz, sizeof(uint32_t), &queue_def->attr)));
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| 204 | }
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| 205 |
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| 206 | osStatus osMessagePut (osMessageQId queue_id, uint32_t info, uint32_t millisec) {
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| 207 | return osMessageQueuePut((osMessageQueueId_t)queue_id, &info, 0U, millisec);
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| 208 | }
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| 209 |
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| 210 | osEvent osMessageGet (osMessageQId queue_id, uint32_t millisec) {
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| 211 | osStatus_t status;
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| 212 | osEvent event;
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| 213 | uint32_t message;
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| 214 |
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| 215 | status = osMessageQueueGet((osMessageQueueId_t)queue_id, &message, NULL, millisec);
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| 216 | switch (status) {
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| 217 | case osOK:
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| 218 | event.status = osEventMessage;
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| 219 | event.value.v = message;
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| 220 | break;
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| 221 | case osErrorResource:
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| 222 | event.status = osOK;
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| 223 | break;
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| 224 | case osErrorTimeout:
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| 225 | event.status = osEventTimeout;
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| 226 | break;
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| 227 | default:
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| 228 | event.status = status;
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| 229 | break;
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| 230 | }
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| 231 | return event;
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| 232 | }
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| 233 |
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| 234 | #endif // Message Queue
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| 235 |
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| 236 |
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| 237 | // Mail Queue
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| 238 |
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| 239 | #if (defined(osFeature_MailQ) && (osFeature_MailQ != 0))
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| 240 |
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| 241 | typedef struct os_mail_queue_s {
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| 242 | osMemoryPoolId_t mp_id;
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| 243 | osMessageQueueId_t mq_id;
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| 244 | } os_mail_queue_t;
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| 245 |
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| 246 | osMailQId osMailCreate (const osMailQDef_t *queue_def, osThreadId thread_id) {
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| 247 | os_mail_queue_t *ptr;
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| 248 | (void)thread_id;
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| 249 |
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| 250 | if (queue_def == NULL) {
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| 251 | return (osMailQId)NULL;
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| 252 | }
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| 253 |
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| 254 | ptr = queue_def->mail;
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| 255 | if (ptr == NULL) {
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| 256 | return (osMailQId)NULL;
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| 257 | }
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| 258 |
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| 259 | ptr->mp_id = osMemoryPoolNew (queue_def->queue_sz, queue_def->item_sz, &queue_def->mp_attr);
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| 260 | ptr->mq_id = osMessageQueueNew(queue_def->queue_sz, sizeof(void *), &queue_def->mq_attr);
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| 261 | if ((ptr->mp_id == (osMemoryPoolId_t)NULL) || (ptr->mq_id == (osMessageQueueId_t)NULL)) {
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| 262 | if (ptr->mp_id != (osMemoryPoolId_t)NULL) {
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| 263 | osMemoryPoolDelete(ptr->mp_id);
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| 264 | }
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| 265 | if (ptr->mq_id != (osMessageQueueId_t)NULL) {
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| 266 | osMessageQueueDelete(ptr->mq_id);
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| 267 | }
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| 268 | return (osMailQId)NULL;
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| 269 | }
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| 270 |
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| 271 | return (osMailQId)ptr;
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| 272 | }
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| 273 |
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| 274 | void *osMailAlloc (osMailQId queue_id, uint32_t millisec) {
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| 275 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
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| 276 |
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| 277 | if (ptr == NULL) {
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| 278 | return NULL;
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| 279 | }
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| 280 | return osMemoryPoolAlloc(ptr->mp_id, millisec);
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| 281 | }
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| 282 |
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| 283 | void *osMailCAlloc (osMailQId queue_id, uint32_t millisec) {
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| 284 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
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| 285 | void *block;
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| 286 | uint32_t block_size;
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| 287 |
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| 288 | if (ptr == NULL) {
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| 289 | return NULL;
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| 290 | }
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| 291 | block_size = osMemoryPoolGetBlockSize(ptr->mp_id);
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| 292 | if (block_size == 0U) {
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| 293 | return NULL;
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| 294 | }
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| 295 | block = osMemoryPoolAlloc(ptr->mp_id, millisec);
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| 296 | if (block != NULL) {
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| 297 | memset(block, 0, block_size);
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| 298 | }
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| 299 |
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| 300 | return block;
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| 301 |
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| 302 | }
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| 303 |
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| 304 | osStatus osMailPut (osMailQId queue_id, const void *mail) {
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| 305 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
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| 306 |
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| 307 | if (ptr == NULL) {
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| 308 | return osErrorParameter;
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| 309 | }
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| 310 | if (mail == NULL) {
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| 311 | return osErrorValue;
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| 312 | }
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| 313 | return osMessageQueuePut(ptr->mq_id, &mail, 0U, 0U);
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| 314 | }
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| 315 |
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| 316 | osEvent osMailGet (osMailQId queue_id, uint32_t millisec) {
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| 317 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
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| 318 | osStatus_t status;
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| 319 | osEvent event;
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| 320 | void *mail;
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| 321 |
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| 322 | if (ptr == NULL) {
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| 323 | event.status = osErrorParameter;
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| 324 | return event;
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| 325 | }
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| 326 |
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| 327 | status = osMessageQueueGet(ptr->mq_id, &mail, NULL, millisec);
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| 328 | switch (status) {
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| 329 | case osOK:
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| 330 | event.status = osEventMail;
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| 331 | event.value.p = mail;
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| 332 | break;
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| 333 | case osErrorResource:
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| 334 | event.status = osOK;
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| 335 | break;
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| 336 | case osErrorTimeout:
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| 337 | event.status = osEventTimeout;
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| 338 | break;
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| 339 | default:
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| 340 | event.status = status;
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| 341 | break;
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| 342 | }
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| 343 | return event;
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| 344 | }
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| 345 |
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| 346 | osStatus osMailFree (osMailQId queue_id, void *mail) {
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| 347 | os_mail_queue_t *ptr = (os_mail_queue_t *)queue_id;
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| 348 |
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| 349 | if (ptr == NULL) {
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| 350 | return osErrorParameter;
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| 351 | }
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| 352 | if (mail == NULL) {
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| 353 | return osErrorValue;
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| 354 | }
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| 355 | return osMemoryPoolFree(ptr->mp_id, mail);
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| 356 | }
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| 357 |
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| 358 | #endif // Mail Queue
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| 359 |
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| 360 |
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| 361 | #endif // osCMSIS
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